package com.num;

public class Computer {
        public double x;
        public double y;
        public double add()
        {
            return x+y;
        }
        public double subtract()
        {
            return x-y;
        }
        public double multiply()
        {
            return x*y;
        }
        public double divide()
        {
            return x/y;
        }


}
